Hitoshi Iwata

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Kumagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flying type composite magnetic head having Mn-Zn ferrite core
- Patent number 5,233,492
- Issue date Aug 3, 1993
- Hitachi Metals, Ltd.
- Hitoshi Iwata
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying-type composite magnetic head
- Patent number 5,010,431
- Issue date Apr 23, 1991
- Hitachi Metals, Ltd.
- Tadashi Shinohara
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying-type composite magnetic head having magnetic core with impro...
- Patent number 5,008,767
- Issue date Apr 16, 1991
- Hitachi Metals, Ltd.
- Hitoshi Iwata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,840,844
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE